Long-term activity of the X-ray source QR And / RX J0019.8+2156
Šimon, Vojtěch; Sobotka, P.; Marek, P.; Lehký, M.; Šmelcer, L.; Lomoz, Fr.
2002 - anglický
QR And has been monitored in the framework of the observational campaing which started in 1998. The authors resolved prominent variations of the orbital modulation which depend on the state of the long-term activity of the system.
Klíčová slova:
X-ray sources; circumstellar matter; cataclysmic variables
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Long-term activity of the X-ray source QR And / RX J0019.8+2156
QR And has been monitored in the framework of the observational campaing which started in 1998. The authors resolved prominent variations of the orbital modulation which depend on the state of the ...
Long-term variability of dwarf novae and soft X-ray transients
Šimon, Vojtěch
2002 - anglický
The results of analysis of Tc by the method of the O-C residuals is presented for a set of DN of various types and some SXTs.
Klíčová slova:
X-ray sources; circumstellar matter; cataclysmic variables
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Long-term variability of dwarf novae and soft X-ray transients
The results of analysis of Tc by the method of the O-C residuals is presented for a set of DN of various types and some SXTs.
Some aspects of meteor head echos occurrence during Leonids 2000 and 2001
Nováková, Drahomíra; Pecina, Petr
2002 - anglický
Klíčová slova:
head echoes; Leonids
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Some aspects of meteor head echos occurrence during Leonids 2000 and 2001
Spectroscopic study of omicron And
Budovičová, Andrea
2001 - anglický
Klíčová slova:
Be stars; o And; Be hvězdy
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Spectroscopic study of omicron And
Formation of eccentric disks around black holes
Hadrava, Petr; Řezáč, R.; Oestgaard, E.
2001 - anglický
The formation and evolution of eccentric disks around black holes due to explosion of a companion on an eccetric orbit is modeled by means of exact general-relativistic N-particle treatment. It is shown that in spite of the generally accepted view that the debris must be quickly smeared out to a circular accretion disk.
Klíčová slova:
black holes; accretion disks; eccentric rings
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Formation of eccentric disks around black holes
The formation and evolution of eccentric disks around black holes due to explosion of a companion on an eccetric orbit is modeled by means of exact general-relativistic N-particle treatment. It is ...
Hot emission-line stars after 134 years of study. A personal view of current problems
Harmanec, Petr
2001 - anglický
A brief review of current problems in the research of hot emission-line stars is presented. Special attention is paid to problems of reliable determination of basic physical properties of underlying stars and to possible role of duplicity in the whole phenomenon.
Klíčová slova:
hot emission-line stars; binaries; spectral and light changes
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Hot emission-line stars after 134 years of study. A personal view of current problems
A brief review of current problems in the research of hot emission-line stars is presented. Special attention is paid to problems of reliable determination of basic physical properties of underlying ...
Motions and structured in an active prominence on September 18, 1995
Kotrč, Pavel; Korčáková, D.; Kupryakov, Yu. A.
1999 - anglický
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Motions and structured in an active prominence on September 18, 1995
Dynamical parameters of limb phenomena as derived from MFS data
Kotrč, Pavel
1999 - anglický
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Dynamical parameters of limb phenomena as derived from MFS data
An automated system for microwave RF1 monitoring at radioastronomical sites
Jiřička, Karel; Montenbugnoli, S.; Cecchi, M.; Bortolotti, C.; Roma, M.
1999 - anglický
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
An automated system for microwave RF1 monitoring at radioastronomical sites
Fourier disentangling and light curve solution for multiple stars
Hadrava, Petr
1998 - anglický
Plné texty jsou dostupné na jednotlivých ústavech Akademie věd ČR.
Fourier disentangling and light curve solution for multiple stars
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